1002121222 has 8 divisors (see below), whose sum is σ = 1504591200. Its totient is φ = 500590824.

The previous prime is 1002121217. The next prime is 1002121243. The reversal of 1002121222 is 2221212001.

It is a happy number.

1002121222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232222 + ... + 236497.

It is an arithmetic number, because the mean of its divisors is an integer number (188073900).

Almost surely, 2^1002121222 is an apocalyptic number.

1002121222 is a deficient number, since it is larger than the sum of its proper divisors (502469978).

1002121222 is a wasteful number, since it uses less digits than its factorization.

1002121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469790.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1002121222 is about 31656.2982990747. The cubic root of 1002121222 is about 1000.7065746347.

Adding to 1002121222 its reverse (2221212001), we get a palindrome (3223333223).

The spelling of 1002121222 in words is "one billion, two million, one hundred twenty-one thousand, two hundred twenty-two".